PRODUCTS

WANNATE HT-500

Wannate HT-500 is suitable for construction and architectural coatings, especially in bridges, tunnels, stadiums, and urban infrastructure.
Wannate HT-500 is used in energy sector coatings, including wind turbines, power plants, oil & gas facilities, and electrical infrastructure.
Wannate HT-500 is applied in heavy machinery coatings, including mining equipment, agricultural machinery, and construction machinery.

CAS Number: 28182-81-2
EC Number: 931-274-8 (polymeric UVCB classification)
Molecular Formula: Not fixed (oligomeric mixture)
Molecular Weight: Variable (~600–1500 g/mol depending on oligomer distribution and functionality)

SYNONYMS:
HDI trimer, Hexamethylene diisocyanate trimer, HDI isocyanurate, aliphatic polyisocyanate, HDI-based curing agent, polyurethane hardener HDI trimer, isocyanurate polyisocyanate, HDI homopolymer, hexamethylene diisocyanate polymeric isocyanate, HT series HDI trimer, high-functionality HDI curing agent

Wannate HT-500 is a solvent-free aliphatic polyisocyanate based on HDI trimer (isocyanurate structure) used as a curing agent in high-performance two-component polyurethane (2K-PU) systems.
Wannate HT-500 is designed for advanced coating applications requiring very high chemical resistance, excellent weatherability, superior mechanical strength, and long-term durability under extreme environmental conditions.

Compared to lower viscosity HT grades (such as HT-100 or HT-300 PLUS), Wannate HT-500 is typically positioned as a higher performance / higher functionality HDI trimer system, often used in more demanding industrial and protective coating formulations where maximum durability is required.

Wannate HT-500 is not a single chemical substance but a polymeric UVCB mixture of HDI isocyanurate oligomers.
Wannate HT-500 (1,6-hexamethylene diisocyanate based polyisocyanate) is a solvent free, low viscosity aliphatic polyisoyanate based on hexamethylene diisocyanate (HDI), colorless to slightly yellowish clear liquid.

Wannate HT-500 can be used as a hardener component for lightfast two-component polyurethane coatings.
The main applications for coatings based on Wannate HT-500 are automotive refinishing, transportation, industrial finishing and plastics.
Preferred co-reactants are polyacrylates or polyester polyols.

However, the compatibility of the combinations used should always be tested.
Wannate HT-500 (1,6-hexamethylene diisocyanate based polyisocyanate) is a solvent free aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), colorless to slightly yellowish clear liquid.

Wannate HT-500 is a solvent-free, low-viscosity, aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI).
Wannate HT-500 is a solvent free, low viscosity aliphatic polyisoyanate based on hexamethylene diisocyanate (HDI), colorless to slightly yellowish clear liquid.

Wannate HT-500 is a low viscosity, solvent-free aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI).
Wannate HT-500 can be used as a hardener and is sensitive to moisture.

Wannate HT-500 can be thinned with esters, ketones and aromatic hydrocarbons such as ethyl acetate, butyl acetate, methoxypropylacetate, acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, toluene, xylene, solvent naphtha 100 and mixtures.
Wannate HT-500 is compatible with aliphatic polyisocyanates, polyester polyols, aromatic polyisocyanates and polyacrylates.

Wannate HT-500 is recommended for adhesive applications.
Wannate HT-500 has a shelf life of 9 months when stored at temperatures between 0 and 30°C.
Wannate HT-500 can be thinned with esters, ketones and aromatic hydrocarbons such as ethyl acetate, butyl acetate, methoxypropylacetate, acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, toluene, xylene, solvent naphtha 100 and mixtures thereof.

Generally speaking, Wannate HT-500 has good compatibility with the solvents listed.
However, the solutions formed must be tested for their storage stability.
Only PU grade solvents should be used (max.0.05% water, absence of reactive groups such as hydroxyl or amino groups).

Aliphatic hydrocarbons are unsuitable as solvents.
Wannate HT-500 is not recommended to be thinned to a lower solid content of 40%.
Wannate HT-500, a solvent-free curing agent, delivers excellent gloss, superior mechanical properties, and low viscosity, making it ideal for high-solid automotive and industrial coatings.

Wannate HT-500 (hexamethylene diisocyanate-based polyisocyanate) is an aliphatic polyisocyanate.
Wannate HT-500 is a colorless to pale yellow transparent liquid at room temperature.
Wannate HT-500 is a low viscous 100% solids asymmetric HDI trimer.

As a raw material for polyurethane production, Wannate HT-500 has a lower viscosity than Wannate HT-100.
Wannate HT-500 is mainly used as a curing agent for weather-resistant two-component polyurethane coatings, and its main application fields are high-solids systems for automotive refinish, transportation coatings and plastic coatings.

Wannate HT-500 can be used in combination with Wannate HT-100, Wannate HT-400, Wannate IT-170B, etc.
The ideal coreactants are hydroxy-functional polyacrylates and hydroxy polyesters.
Compatibility testing is recommended before use.

Wannate HT-500 can be diluted with ester solvents, ketone solvents and aromatic solvents such as ethyl acetate, butyl acetate, acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, toluene, xylene, etc.
Wannate HT-500 generally has good miscibility with the above solvents, but the storage stability of the prepared solution must be tested.

Only urethane-grade solvents (water content < 0.05%, free of reactive groups such as hydroxyl or amino groups) shall be used.
Aliphatic hydrocarbons are not suitable as diluents.
Wannate HT-500 shall not be diluted to below 40% solids content, otherwise turbidity and precipitation may easily occur.

USES and APPLICATIONS of WANNATE HT-500:
Wannate HT-500 is widely used as a premium curing agent for high-performance polyurethane coating systems.
Wannate HT-500 is extensively applied in heavy-duty industrial protective coatings for steel structures, chemical plants, offshore platforms, pipelines, and large-scale infrastructure.

Wannate HT-500 is used in marine coatings for extreme environments, including deep-sea structures, offshore wind installations, and saltwater-exposed equipment.
Wannate HT-500 is applied in industrial flooring systems requiring extreme abrasion resistance, chemical resistance, and mechanical durability.

Wannate HT-500 is used in automotive and transportation coatings, particularly for high-wear exterior parts, chassis components, and protective layers.
Wannate HT-500 is suitable for construction and architectural coatings, especially in bridges, tunnels, stadiums, and urban infrastructure.

Wannate HT-500 is used in energy sector coatings, including wind turbines, power plants, oil & gas facilities, and electrical infrastructure.
Wannate HT-500 is applied in heavy machinery coatings, including mining equipment, agricultural machinery, and construction machinery.

Wannate HT-500 is used in container coatings, coil coatings, and metal packaging systems where extreme durability and corrosion resistance are required.
Wannate HT-500 is also used in high-performance adhesives, structural bonding systems, sealants, elastomers, and composite materials.

Additionally, Wannate HT-500 is suitable for specialty industrial coatings where long service life and resistance to harsh chemicals are critical.
Wannate HT-500 can be used as a hardener component for waterborne, lightfast two-component polyurethane coatings, especially for preparing water-dispersible low-viscosity curing agents.

Wannate HT-500 offers high NCO content, excellent gloss & color retention and outstanding mechanical properties.
Wannate HT-500 provides light and weather stability and is capable of ambient temperature-curing.
Wannate HT-500 can be used alongside other polyisocyanates such as Wannate HT-100, Wannate HT-400 and Wannate IT-170B.

Wannate HT-500 shows compatibility with aliphatic- and aromatic polyisocyanates, polyester polyols and polyacrylates.
Wannate HT-500 is suitable for coatings applications such as automotive refinishing, transportation, plastics and industrial finishing.
Wannate HT-500 can be used as a hardener component for lightfast two-component polyurethane coatings.

The main applications for coatings based on Wannate HT-500 are automotive refinishing, flooring, transportation, industrial finishing and plastics.
Preferred co-reactants are polyacrylates or polyester polyols.

CHARACTERISTICS of WANNATE HT-500:
Wannate HT-500 is characterized by a highly crosslinked HDI isocyanurate structure, providing superior mechanical strength and chemical resistance compared with lower-grade HDI trimers.
Wannate HT-500 is typically formulated for high-performance industrial coating systems where maximum durability is required under aggressive environments.

Wannate HT-500 has a higher viscosity profile, indicating a more complex oligomer distribution and higher functionality.
Wannate HT-500 provides enhanced crosslinking density, resulting in extremely durable polyurethane networks.
Wannate HT-500 demonstrates excellent compatibility with advanced hydroxyl-functional resins, including high-performance acrylic and polyester systems.

Wannate HT-500 produces coatings with very high hardness, chemical resistance, and long-term structural stability.
Wannate HT-500 is optimized for heavy-duty industrial and protective coating systems.

BENEFITS of WANNATE HT-500:
Wannate HT-500 provides exceptional chemical resistance, making it suitable for aggressive industrial environments.
Wannate HT-500 delivers very high mechanical strength, improving coating durability under heavy stress and wear.
Wannate HT-500 offers superior abrasion and impact resistance, extending service life in demanding applications.

Wannate HT-500 provides excellent long-term weather resistance, including UV stability and resistance to environmental aging.
Wannate HT-500 contributes to high crosslink density, resulting in extremely durable polyurethane networks.

Wannate HT-500 improves coating hardness without sacrificing flexibility, ensuring balanced mechanical performance.
Wannate HT-500 enhances corrosion protection, especially in marine and industrial environments.

Wannate HT-500 provides excellent adhesion to difficult substrates, including treated metals and composite materials.
Wannate HT-500 supports long service life and reduced maintenance requirements, lowering lifecycle costs.

Wannate HT-500 enables high-performance protective coatings in extreme conditions, including chemical plants and offshore environments.
Wannate HT-500 provides thermal and mechanical stability, maintaining performance under fluctuating conditions.

STORAGE and HANDLING PRECAUTIONS of WANNATE HT-500:
Store Wannate HT-500 in a cool, dry and well-ventilated warehouse.
Keep Wannate HT-500 away from fire and heat sources.
Keep Wannate HT-500 containers tightly closed.
Store Wannate HT-500 separately from oxidizing agents, acids, alkalis, alcohols and food chemicals, and avoid mixed storage.

FEATURES of WANNATE HT-500:
*Color Retention,
*Good Mechanical Properties,
*High Gloss,
*Low Viscosity

BENEFITS of WANNATE HT-500:
Wannate HT-500 can be used as a hardener component for lightfast two-component polyurethane coatings.
The main applications for coatings based on Wannate HT-500 are automotive refinishing, transportation, industrial finishing and plastics.
Preferred co-reactants are polyacrylates or polyester polyols.
However, the compatibility of the combinations used should always be tested.

PHYSICAL and CHEMICAL PROPERTIES of WANNATE HT-500:
Product Type: HDI Trimer (Aliphatic Polyisocyanate)
Chemical Family: Hexamethylene diisocyanate isocyanurate
CAS Number: 28182-81-2
EC Number: 931-274-8 (polymeric UVCB classification)
Molecular Formula: Not fixed (oligomeric mixture)
Molecular Weight: Variable (~600–1500 g/mol depending on oligomer distribution and functionality)
Appearance: Clear to slightly yellow liquid
Odor: Mild isocyanate odor

Physical state: Liquid
Chemical type: Aliphatic polyisocyanate (HDI isocyanurate)
NCO content: ~20–23%
Density (25°C): ~1.06–1.12 g/cm³
Viscosity (25°C): Medium to high (higher than HT-300 PLUS)
Flash point: >200°C
Boiling point: Decomposes before boiling
Vapor pressure: Very low
Solubility in water: Reacts with water (insoluble)

Solubility in organic solvents: Soluble in esters, ketones, aromatics
Reactivity: High toward hydroxyl, amine, and moisture
Moisture sensitivity: Very high
Storage stability: Good under dry, sealed conditions
Functionality: ~3 (trifunctional isocyanurate structure)
Thermal stability: High
Volatility: Very low
Film formation: High crosslink density formation

FIRST AID MEASURES of WANNATE HT-500:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of WANNATE HT-500:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of WANNATE HT-500:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of WANNATE HT-500:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of WANNATE HT-500:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of WANNATE HT-500:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available